Pith Number

pith:FIASAIKJ

pith:2015:FIASAIKJBYUJL7VSNNNPTLNPPT

not attested not anchored not stored refs pending

A Canonical Form for Weighted Automata and Applications to Approximate Minimization

Borja Balle, Doina Precup, Prakash Panangaden

arxiv:1501.06841 v3 · 2015-01-27 · cs.FL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIASAIKJBYUJL7VSNNNPTLNPPT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:17:54.236131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a012021490e2895feb26b5af9adaf7ccfd19a8d97d0513e88b2beb4df7007b0

Aliases

arxiv: 1501.06841 · arxiv_version: 1501.06841v3 · doi: 10.48550/arxiv.1501.06841 · pith_short_12: FIASAIKJBYUJ · pith_short_16: FIASAIKJBYUJL7VS · pith_short_8: FIASAIKJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FIASAIKJBYUJL7VSNNNPTLNPPT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2a012021490e2895feb26b5af9adaf7ccfd19a8d97d0513e88b2beb4df7007b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26bdc417835f1a09494050b23de92a9db46617b7bc5b7e9547eef44cdd6123fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-01-27T17:50:47Z",
    "title_canon_sha256": "1686a3a8fb2c77d8b902ffd1f63633c63cb29275bb0f178cc0fa0ba5e3fb0f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06841",
    "kind": "arxiv",
    "version": 3
  }
}